Home / 185,611.88-256,012.05-170,347.61

Finding the Fourth Proportional to 185,611.88, 256,012.05 and 170,347.61

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Solution

The fourth proportional to 185,611.88, 256,012.05 and 170,347.61 is: 234,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.88 : 256,012.05 = 170,347.61 : x
  2. Step 2: Convert to fraction form
    185,611.88/256,012.05 = 170,347.61/x
  3. Step 3: Cross multiply
    185,611.88x = 256,012.05 × 170,347.61
  4. Step 4: Simplify right side
    185,611.88x = 43,611,040,848.70
  5. Step 5: Solve for x
    x = 43,611,040,848.70/185,611.88
  6. Step 6: Final answer
    x = 234,958.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.